"As I began to study the VS I was astonished by the sophistication of the system. Concluding that Kaṇāda’s work is a masterpiece of world science, I decided to spend all the time I could get to do a new translation along with a commentary."
January 1, 1970
https://en.wikiquote.org/wiki/Vai%C5%9Be%E1%B9%A3ika_S%C5%ABtra